CN117309361B - Spring tension detection equipment - Google Patents
Spring tension detection equipment Download PDFInfo
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- CN117309361B CN117309361B CN202311595694.3A CN202311595694A CN117309361B CN 117309361 B CN117309361 B CN 117309361B CN 202311595694 A CN202311595694 A CN 202311595694A CN 117309361 B CN117309361 B CN 117309361B
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- 238000001514 detection method Methods 0.000 title claims abstract description 30
- 210000001503 joint Anatomy 0.000 claims abstract description 71
- 230000000712 assembly Effects 0.000 claims description 22
- 238000000429 assembly Methods 0.000 claims description 22
- 238000003032 molecular docking Methods 0.000 claims description 22
- 230000002457 bidirectional effect Effects 0.000 claims description 17
- 238000004804 winding Methods 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000000926 separation method Methods 0.000 abstract 1
- 230000001960 triggered effect Effects 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 description 7
- 239000011295 pitch Substances 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0057—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes measuring forces due to spring-shaped elements
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses spring tension detection equipment, which relates to the technical field of spring detection and comprises a mounting frame, wherein scale marks are drawn on the mounting frame, the spring tension detection equipment also comprises two pull plates positioned in the mounting frame, pull rods are fixed on adjacent sides of the two pull plates, a butt joint ring is arranged on the outer side of the pull rods, a butt joint unit for connecting two ends of a spring to be detected is arranged on the outer side of the butt joint ring, and an adjusting unit in butt joint with the butt joint unit is fixed at the outer end of the pull rods; the butt joint unit designed by the invention can be directly in butt joint with coiled wires at two ends of the spring to be detected, along the track of the spring until the two clamping components are in butt joint with the spring to be detected, and then when the tension is detected, the anti-loosening unit is triggered, so that the clamping components can be pressurized and clamped before being pulled to a limit range, and the phenomena of separation and the like caused by overlarge deformation of the spring are avoided.
Description
Technical Field
The invention relates to the technical field of spring detection, in particular to spring tension detection equipment.
Background
A spring is a mechanical part that works with elasticity. The springs may be classified into coil springs, ring springs, disc springs, plate springs, coil springs, etc., according to the shape of the springs. The coil spring is made by winding spring wires, and has the most wide application due to simple and convenient manufacture. In general machines, cylindrical coil springs are most commonly used.
The cylindrical spiral spring is different according to the application, the elasticity coefficient of the produced springs of different types can also be different, the springs need to be produced according to the elasticity coefficient required by the application when being produced, the elasticity coefficient of the springs need to be detected when being produced, the elasticity coefficient of the springs is prevented from not reaching standards, the traditional Chinese patent document CN116337375A discloses a tension detection device for spring production, tension detection can be carried out on the springs, but in the scheme, the tension detection device is mainly hooked with two ends of the springs through hooked rings, then tension detection is carried out, the two ends of the springs need to be fixed with butt joint rings which are in butt joint with the hooked rings, and the traditional spring products basically only comprise a spiral steel wire and are not provided with butt joint rings which are matched.
The prior Chinese patent document CN212844107U discloses spring steel wire elasticity detection equipment, and according to the drawings in the specification and the description, the prior Chinese patent document CN212844107U also knows that a hook is utilized to limit and fix a single steel wire at the top end of a spring, in the fixing mode, the hook is abutted with the steel wire on the spring, so that when tension detection is carried out, the spring is stressed at the position of an axle center, deflection and other phenomena occur, meanwhile, when ultimate tensile detection is carried out, the spring is pulled, certain deformation occurs when the hook is pulled, the hook is not stable in butt joint, and the spring is easy to fall off when being pulled.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides the spring tension detection equipment, which has the advantages that the designed butt joint unit and the loosening unit can meet the requirement of stable butt joint of the outer ends of the springs, so that the springs are not easy to fall off during tension detection.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the spring tension detection device comprises a mounting frame, wherein graduation lines are drawn on the mounting frame, the device further comprises two pull plates positioned in the mounting frame, pull rods are fixed on adjacent sides of the two pull plates, a butt joint ring is installed on the outer side of each pull rod, a butt joint unit used for connecting two ends of a spring to be detected is installed on the outer side of each butt joint ring, and an adjusting unit in butt joint with the butt joint unit is fixed at the outer end of each pull rod; the driving unit is arranged in the mounting frame and used for driving the two pulling plates to pull the springs to be detected in the mounting frame, and locking units connected with the butt joint units are arranged at two ends of the mounting frame.
The technical scheme is as follows: the butt joint unit of design mutually supports with relaxing the unit, can satisfy the butt joint of treating the outer end of detecting the spring, and the tight unit is supported in the cooperation simultaneously can support it tightly for when carrying out elastic detection, can not break away from the spring of treating detecting easily, improves detection stability.
The invention further provides that the butt joint unit comprises two clamping assemblies for clamping the coiled wire at the outer end of the spring to be detected, the two clamping assemblies are symmetrically distributed on the outer side of the butt joint ring, the outer ends of the two clamping assemblies are respectively fixed with an arc-shaped plate, one arc-shaped plate is fixed with the butt joint ring, the outer side of the other arc-shaped plate is fixed with two sliding blocks, and the outer side of the butt joint ring is provided with a moving groove in sliding butt joint with the sliding blocks.
The technical scheme is as follows: the two clamping assemblies are distributed on the outer side of the butt joint ring at equal angles, so that when the spring to be detected is pulled, the spring is not easy to deviate, and meanwhile one clamping assembly can slide, so that the butt joint with the spring is facilitated.
The clamping assembly further comprises a fixing plate and an adjusting plate, wherein the fixing plate is fixed with the arc-shaped plate, a butt joint rod which is spliced with the adjusting plate is fixed on the fixing plate, an end block is fixed at the top of the butt joint rod, and an extrusion spring which pushes the adjusting plate to be close to the fixing plate is sleeved on the outer side of the butt joint rod.
The technical scheme is as follows: the fixing plate and the adjusting plate are buckled on the outer side of the spring to be detected, so that a buckling effect is achieved on the spring, and compared with a conventional single-plate butt joint mode, the butt joint stability is higher.
The invention further provides that the adjusting unit comprises an end plate fixed at the outer end of the pull rod, a positioning retaining plate and an adjusting retaining plate are fixed on the end plate, an adjusting screw rod is rotatably arranged at the bottom of the adjusting retaining plate, the adjusting screw rod is in threaded connection with the end plate and penetrates through the end plate, a rotating cap is fixed at one end, far away from the adjusting retaining plate, of the adjusting screw rod, a sliding rod in sliding connection with the end plate is also fixed at the bottom of the adjusting retaining plate, and the outer sides of the positioning retaining plate and the adjusting retaining plate are both fixed with the bottom of the fixing plate.
The technical scheme is as follows: the design of the adjusting unit is mainly aimed at checking springs with different pitches, and the distance between the two clamping assemblies can be adjusted according to the pitches during detection, so that the adjusting unit is sleeved on the spring to be detected more closely.
The invention is further characterized in that grooves are formed in the surfaces of the positioning retaining plate and the adjusting retaining plate, and reinforcing strips matched with the grooves are fixed at the bottom of the fixing plate.
The technical scheme is as follows: the design of strengthening strip improves the intensity of fixed plate for when waiting to detect the spring, it is hard enough be difficult for deformation to pull itself, all sets up flutedly at the surface of location butt plate and regulation butt plate simultaneously, mainly guarantees the integrality of strengthening strip.
The clamping assembly is further arranged to comprise a sleeve frame which is sleeved on the outer sides of the fixing plate and the adjusting plate in a sliding mode, an adjusting column is fixed in the sleeve frame, a plug rod is inserted in the adjusting column in a sliding mode, a toothed plate is fixed at the outer end of the plug rod, a piston plate is fixed at one end of the plug rod, which is located on the adjusting column, tooth grooves matched with the toothed plate are formed in the outer side of the adjusting plate, and a pushing spring propped against the toothed plate is sleeved on the outer side of the plug rod.
The technical scheme is as follows: the cover frame of design can carry out a lock to fixed plate and regulating plate, also can carry out a spacing to the spring, avoids its removal between fixed plate and regulating plate.
The invention further provides that the driving unit comprises a bidirectional screw rod and a driving motor, wherein two ends of the bidirectional screw rod are in butt joint with the mounting frame through bearings, two pull plates are positioned at two ends of the bidirectional screw rod and in threaded butt joint with the bidirectional screw rod, the bottoms of the pull plates are attached to the surface of the mounting frame, the driving motor is mounted on the outer side of the mounting frame through a motor frame, and the output end of the driving motor is fixed with one end of the bidirectional screw rod through a coupler.
The technical scheme is as follows: the driving unit is used for providing power, so that the two pulling plates can move outwards to pull the spring to be detected.
The anti-loosening unit is used for improving the clamping tightness of the clamping assembly to the coiled wire on the spring to be detected, the anti-loosening unit comprises a straight rod fixed in the mounting frame and an abutting plate sleeved on the outer sides of the two pull rods in a sliding mode, an abutting block abutting against the abutting plate is fixed at the outer end of the pull rod, a pushing spring abutting against the abutting plate and the abutting ring is sleeved on the outer side of the pull rod, the outer end of the abutting plate is sleeved on the outer side of the straight rod in a sliding mode, an abutting column spliced with the pull plate is fixed on the outer side of the abutting column in a sliding mode, and a pressurizing assembly matched with the abutting column is installed at the outer end of the straight rod.
The technical scheme is as follows: when the spring to be detected is pulled and detected, the pushing column pushes against the pressurizing assembly, so that pressure is applied to the sleeve frame, and the toothed plate and the tooth slot are tightly abutted by inflation, so that the spring to be detected is prevented from being pulled, deformed and separated.
The invention further provides that the pressurizing assembly comprises an annular air bag which is sleeved on the outer side of the straight rod in a sliding manner, one end of the annular air bag is fixedly provided with a propping ring which is matched with the propping column, the other end of the annular air bag is fixedly provided with a pushing plate, the outer side of the pushing plate is rotatably provided with a threaded rod which is in threaded connection with the mounting frame, the outer side of the threaded rod is fixedly provided with a rotary cap, and the annular air bag is fixedly communicated with two air pipes which are fixedly communicated with two adjacent adjusting columns.
The technical scheme is as follows: the annular air bag is directly extruded by the propping column, so that gas is transmitted into the adjusting column through the gas pipe, and the pressure in the adjusting column is increased to improve the downward moving force of the toothed plate.
The invention is further characterized in that rubber pads are fixed on the adjacent surfaces of the fixing plate and the adjusting plate, and the rubber pads are of semicircular structures.
The technical scheme is as follows: the friction force is increased, and meanwhile, the semicircular structure is convenient to butt-joint with the coiled wire on the spring.
The beneficial effects of the invention are as follows:
the butt joint unit designed by the invention can be directly in butt joint with coiled wires at two ends of the spring to be detected, and can trigger the anti-loosening unit when the two clamping assemblies are in butt joint with the spring to be detected along the track of the spring and then carry out tension detection, so that the clamping assemblies can be pressurized and clamped before the clamping assemblies are pulled to a limit range, and the phenomena of disengagement and the like caused by overlarge deformation of the spring are avoided;
according to the invention, the two clamping assemblies in the butt joint unit can be in butt joint with one end of the spring to be detected, and the distance between the clamping assemblies can be correspondingly adjusted according to the screw pitch of the spring to be detected by using the adjusting unit, so that the butt joint between the clamping assemblies and the spring is more convenient, and the clamping is more stable due to the design of the two clamping assemblies.
Drawings
FIG. 1 is a schematic diagram of the whole structure of the invention in butt joint with a spring to be detected;
FIG. 2 is a side view of the entire spring assembly of the present invention after being docked with the spring to be tested;
FIG. 3 is a schematic view of a docking unit of the present invention docking with a spring to be tested;
FIG. 4 is a schematic view of a docking unit according to the present invention;
FIG. 5 is an enlarged view of FIG. 4 at A;
FIG. 6 is a schematic view of the docking unit and the adjusting unit according to the present invention;
FIG. 7 is an enlarged view of FIG. 6 at B;
FIG. 8 is a schematic diagram of a step of docking a spring to be tested with a docking unit according to the present invention;
FIG. 9 is a schematic diagram of a regulating unit according to the present invention;
figure 10 is a side view, partially in section, of a tooth slot to tooth plate interface of the present invention.
In the figure: 1. a mounting frame; 2. pulling a plate; 3. a pull rod; 4. a docking collar; 5. a docking unit; 6. an adjusting unit; 7. a driving unit; 8. a clamping assembly; 9. an arc-shaped plate; 10. a sliding block; 11. a moving groove; 12. a fixing plate; 13. an adjusting plate; 14. a butt joint rod; 15. an end block; 16. extruding a spring; 17. an end plate; 18. positioning a retaining plate; 19. adjusting the retaining plate; 20. adjusting a screw rod; 21. a slide bar; 22. a groove; 23. reinforcing strips; 24. a sleeve frame; 25. an adjusting column; 26. a rod; 27. a toothed plate; 28. a piston plate; 29. tooth slots; 30. pushing the spring tightly; 31. a two-way screw rod; 32. a driving motor; 33. a locking unit; 34. a straight rod; 35. an abutting plate; 36. abutting blocks; 37. pushing the spring away; 38. abutting against the column; 39. a pressurizing assembly; 40. an annular air bag; 41. a pushing plate; 42. a threaded rod; 43. an air pipe; 44. and (5) abutting against the ring.
Detailed Description
The technical scheme of the patent is further described in detail below with reference to the specific embodiments.
Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and are therefore not to be construed as limiting the patent.
In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.
Embodiment one: referring to fig. 1-4, a spring tension detecting device in the drawings comprises a mounting frame 1, wherein scale marks are drawn on the mounting frame 1, the device further comprises two pull plates 2 positioned in the mounting frame 1, pull rods 3 are fixed on adjacent sides of the two pull plates 2, a docking ring 4 is installed on the outer side of the pull rods 3, docking units 5 used for connecting two ends of a spring to be detected are installed on the outer side of the docking ring 4, and an adjusting unit 6 in butt joint with the docking units 5 is fixed on the outer ends of the pull rods 3; the driving unit 7 is arranged in the mounting frame 1, the driving unit 7 is used for driving the two pull plates 2 to pull the springs to be detected in the mounting frame 1, and the two ends of the mounting frame 1 are provided with the anti-loosening units 33 connected with the docking unit 5;
specifically, in the scheme, two butting units 5 are used for butting the springs to be detected, then the driving unit 7 drives the two pull plates 2 and the pull rod 3 to move outwards, tension detection is carried out on the springs to be detected, and when the tension detection is carried out, the deformation length of the springs can be measured through the scale marks in the mounting frame 1;
further, in the scheme, a tension sensor is arranged between the pull plate 2 and the pull rod 3, and tension force of the spring to be detected can be measured when the pull rod 3 and the spring to be detected are driven to be elongated by moving the pull plate 2;
referring to fig. 4-6, the docking unit 5 includes two clamping assemblies 8 for clamping the coiled wire at the outer end of the spring to be detected, the two clamping assemblies 8 are symmetrically distributed at the outer side of the docking ring 4, the outer ends of the two clamping assemblies 8 are both fixed with arc plates 9, one arc plate 9 is fixed with the docking ring 4, the outer side of the other arc plate 9 is fixed with two sliding blocks 10, and a moving groove 11 in sliding docking with the sliding blocks 10 is formed at the outer side of the docking ring 4;
the clamping assembly 8 comprises a fixed plate 12 and an adjusting plate 13, wherein the fixed plate 12 is fixed with the arc-shaped plate 9, a butt joint rod 14 which is spliced with the adjusting plate 13 is fixed on the fixed plate 12, an end block 15 is fixed at the top of the butt joint rod 14, and an extrusion spring 16 which pushes the adjusting plate 13 to be close to the fixed plate 12 is sleeved outside the butt joint rod 14;
principle of butt joint of the butt joint unit 5 and one end of the spring to be detected: firstly, a person aligns a coiled wire at one end of a spring to be detected with a clamping assembly 8 fixed on the outer side of a docking ring 4, the person opens a fixing plate 12 and an adjusting plate 13 in the clamping assembly 8 in a homeotropic manner, so that the coiled wire of the spring to be detected stretches into the spring, then the person rotates along the winding direction of the spring, as shown in fig. 8, one end of the spring stretches into two clamping assemblies 8, in order to conveniently dock the other end of the spring to be detected, at the moment, the person can rotate continuously after docking the spring, and the person rotates one to two circles;
when the other end of the spring is butted, a person only needs to align and fix the coiled wire at the outer end of the spring to the clamping component 8 at the outer side of the butting ring 4, then reverse the spring to be detected, and the same operation is carried out, so that the two ends are butted with the butting unit 5 at the same time.
Further, referring to fig. 4, 6 and 9, the adjusting unit 6 includes an end plate 17 fixed at the outer end of the pull rod 3, a positioning retaining plate 18 and an adjusting retaining plate 19 are fixed on the end plate 17, an adjusting screw rod 20 is rotatably installed at the bottom of the adjusting retaining plate 19, the adjusting screw rod 20 is in threaded connection with the end plate 17 and penetrates through the end plate 17, a rotating cap is fixed at one end of the adjusting screw rod 20 away from the adjusting retaining plate 19, a sliding rod 21 in sliding connection with the end plate 17 is also fixed at the bottom of the adjusting retaining plate 19, and the outer sides of the positioning retaining plate 18 and the adjusting retaining plate 19 are both fixed with the bottom of the fixed plate 12;
the principle used by the regulating unit 6: firstly, before the spring to be detected is docked, a person can rotate the rotating cap according to the pitch of the spring to be detected, so that the adjusting screw rod 20 drives the adjusting and resisting plate 19 to correspondingly move, a certain distance is reserved between the two fixed plates 12, and the distance is half of the pitch of the spring to be detected, so that the spring to be detected can be inserted more easily when being docked with the two clamping assemblies 8.
Further, referring to fig. 6 and 7, the clamping assembly 8 further includes a sleeve frame 24 slidably sleeved on the outer sides of the fixing plate 12 and the adjusting plate 13, an adjusting column 25 is fixed in the sleeve frame 24, a plug rod 26 is slidably inserted in the adjusting column 25, a toothed plate 27 is fixed at the outer end of the plug rod 26, a piston plate 28 is fixed at one end of the plug rod 26 located on the adjusting column 25, a tooth slot 29 matched with the toothed plate 27 is formed on the outer side of the adjusting plate 13, and a pushing spring 30 propped against the toothed plate 27 is sleeved on the outer side of the plug rod 26.
Specifically, the designed sleeve frame 24 can meet the requirement of buckling the fixed plate 12 and the adjusting plate 13, so that the fixed plate 12 and the adjusting plate 13 can play a certain limit role on the spring after meeting the requirement of abutting against the spring, and deformation of the spring is prevented from being separated from between the fixed plate 12 and the adjusting plate 13 in the pulling process;
the toothed plate 27 is driven to be meshed with the tooth grooves 29 by the pushing spring 30, so that the sleeve frame 24 can be stably buckled between the toothed plate 27 and the tooth grooves 29, and when the sleeve frame 24 is taken out, the toothed plate 27 needs to be lifted by means of a tool, and can be pulled out from the tooth grooves 29.
Further, referring to fig. 1 and 2, the driving unit 7 includes a bidirectional screw rod 31 and a driving motor 32, two ends of the bidirectional screw rod 31 are in butt joint with the mounting frame 1 through bearings, two pull plates 2 are located at two ends of the bidirectional screw rod 31 and in threaded butt joint with the bidirectional screw rod 31, the bottoms of the pull plates 2 are attached to the surface of the mounting frame 1, the driving motor 32 is mounted on the outer side of the mounting frame 1 through a motor frame, and an output end of the driving motor 32 is fixed with one end of the bidirectional screw rod 31 through a coupler.
It should be noted that: the driving motor 32 drives the bidirectional screw rod 31 to rotate, so that the two pull plates 2 in butt joint of the external threads of the bidirectional screw rod 31 can synchronously and reversely move, and the pull rod 3 and the butt joint unit 5 are driven to move, so that the tension detection of the spring to be detected is realized.
Specifically, the process of detecting the tension of the spring to be detected in the scheme comprises the following steps of;
firstly, a person installs a spring to be detected, firstly, the person needs to butt joint a coiled wire in one end of the spring with the clamping assemblies 8, then rotates along the winding direction of the spring, so that one end of the spring is butt jointed before the two clamping assemblies 8, and then butt joint is carried out on the other end of the spring;
secondly, observing the positions of the two ends of the spring in an initial state, reading a numerical value through a tension sensor between the pull plates 2 and the pull rods 3, observing the positions of the scale marks of the two pull plates 2 on the mounting frame 1 when the numerical value is 0, recording the positions of the two pull plates 2 on the scale marks, and then carrying out tension detection;
A. testing the deformation quantity of the springs, controlling the deformation length according to the previous observation and record value, driving the pull plates 2 to move at a corresponding distance through the driving unit 7, enabling the two pull plates 2 to move to the initial position at the beginning after the two pull plates reciprocate for several times, and judging whether the springs are correspondingly deformed and the deformation degree after being pulled for a certain length according to the value read by the pull sensor;
B. and detecting the tension of the spring, pulling the spring when the reading of the tension sensor is 0 until the reading of the pressure sensor is a specified value, then reciprocally pulling the spring, moving to an initial position, and judging whether the spring is correspondingly deformed and the deformation degree after being pulled for a certain length according to the reading of the tension sensor.
In this scheme, in order to improve the intensity of fixed plate 12 itself for it can not warp because of pulling when waiting to detect the spring and carrying out tensile force detection, all set up recess 22 at the surface of location butt plate 18 and regulation butt plate 19 earlier, then be fixed with the reinforcement strip 23 with recess 22 looks adaptation in the bottom of fixed plate 12, its intensity of complete reinforcement strip 23 is bigger.
In this scheme, in order to improve regulating plate 13 and fixed plate 12 and treat the spring butt joint frictional force that detects, be fixed with the rubber pad at fixed plate 12 and regulating plate 13 adjacent face, simultaneously, in order to make things convenient for treating to detect between spring coil inserts regulating plate 13 and the fixed plate 12, establish the rubber pad into semi-circular structure.
Embodiment two: as shown in fig. 1 and 2, this embodiment further describes example one, which differs from example one in the description of one embodiment of the loosening prevention unit 33.
Specifically, the anti-loosening unit 33 in the drawing is used for improving the clamping tightness of the clamping assembly 8 on the coiled wire on the spring to be detected, the anti-loosening unit 33 comprises a straight rod 34 fixed in the mounting frame 1 and an abutting plate 35 sleeved on the outer sides of the two pull rods 3 in a sliding manner, an abutting block 36 abutting against the abutting plate 35 is fixed at the outer ends of the pull rods 3, a pushing spring 37 abutting against the abutting plate 35 and the abutting ring 4 is sleeved on the outer sides of the pull rods 3, an abutting column 38 spliced with the pull plates 2 is fixed on the outer sides of the abutting plate 35 in a sliding manner, the abutting column 38 is sleeved on the outer sides of the straight rod 34 in a sliding manner, a pressurizing assembly 39 matched with the abutting column 38 is mounted at the outer ends of the straight rod 34, and the pushing spring 37 is designed to mainly meet a certain distance between the abutting plate 35 and the abutting ring 4 and a moving space when the abutting column 38 abuts against the pressurizing assembly 39 on the subsequent abutting plate 35;
the pressurizing assembly 39 comprises an annular air bag 40 which is sleeved on the outer side of the straight rod 34 in a sliding mode, a propping ring 44 which is matched with the propping column 38 is fixed at one end of the annular air bag 40, a pushing plate 41 is fixed at the other end of the annular air bag, a threaded rod 42 which is in threaded connection with the mounting frame 1 is rotatably mounted on the outer side of the pushing plate 41, a rotary cap is fixed on the outer side of the threaded rod 42, two air pipes 43 are fixedly communicated with the annular air bag 40, the two air pipes 43 are fixedly communicated with two adjacent adjusting columns 25, and certain elasticity is achieved on the inner wall of the annular air bag 40, so that the annular air bag can be automatically restored after the annular air bag is extruded to be shrunken.
Principle of clamping the fixing plate 12 and the adjusting plate 13 by the locking unit 33: when the tension of the spring to be detected is detected, the pulling plate 2 correspondingly moves outwards, after the spring is pulled for a certain length, the propping column 38 on the propping plate 35 is contacted with the propping ring 44 on the annular air bag 40, the annular air bag 40 is extruded, air is conveyed into the adjusting column 25 from the air pipe 43, the adjusting column 25 is pressurized, the piston plate 28 in the adjusting column is extruded, the toothed plate 27 is pressurized, the adjusting plate 13 is extruded and clamped, the butting tightness of the adjusting plate 13 and the fixing plate 12 to the spring is improved, and the spring is prevented from being separated when the deformation of the spring is large due to pulling.
Specifically, in order to meet the requirement of locking and clamping springs to be detected with different lengths, the push plate 41 and the annular air bag 40 are driven to carry out corresponding position adjustment by rotating the threaded rod 42 on the installation frame 1, so that the use is more flexible.
Embodiment III: this embodiment is further described with reference to fig. 6, 7 and 10, and differs from the other embodiments in optimizing the removal of the grommet 24.
Specifically, the clamping assembly 8 in the drawing further comprises a sleeve frame 24 which is sleeved on the outer sides of the fixed plate 12 and the adjusting plate 13 in a sliding manner, an adjusting column 25 is fixed in the sleeve frame 24, a plug rod 26 is inserted in the adjusting column 25 in a sliding manner, a toothed plate 27 is fixed at the outer end of the plug rod 26, a piston plate 28 is fixed at one end of the adjusting column 25, tooth grooves 29 matched with the toothed plate 27 are formed in the outer side of the adjusting plate 13, and a pushing spring 30 propped against the toothed plate 27 is sleeved on the outer side of the plug rod 26;
the tooth grooves 29 formed in the adjusting plate 13 are right-angle grooves, the inclined surface ends face the docking ring 4, and tooth blocks on the toothed plate 27 are matched with the tooth grooves 29, so that when the sleeve frame 24 is pulled out, the sleeve frame 24 is pulled out directly, the tooth blocks can move upwards in sequence along the inclined surfaces of the tooth grooves 29, and the sleeve frame 24 is pulled out conveniently and automatically.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (5)
1. A spring tension detection apparatus comprising:
the device comprises a mounting frame (1), wherein graduation lines are drawn on the mounting frame (1);
characterized by further comprising:
the device comprises two pull plates (2) positioned in an installation frame (1), pull rods (3) are fixed on adjacent sides of the two pull plates (2), a butt joint ring (4) is installed on the outer side of each pull rod (3), a butt joint unit (5) used for connecting two ends of a spring to be detected is installed on the outer side of each butt joint ring (4), and an adjusting unit (6) butted with each butt joint unit (5) is fixed on the outer end of each pull rod (3);
the driving unit (7) is arranged in the mounting frame (1), the driving unit (7) is used for driving the two pull plates (2) to pull the springs to be detected in the mounting frame (1), and anti-loosening units (33) connected with the docking unit (5) are arranged at two ends of the mounting frame (1);
the butt joint unit (5) comprises two clamping assemblies (8) for clamping coiled wires at the outer end of a spring to be detected, the two clamping assemblies (8) are symmetrically distributed on the outer side of a butt joint ring (4), arc plates (9) are fixed at the outer ends of the two clamping assemblies (8), one arc plate (9) is fixed with the butt joint ring (4), two sliding blocks (10) are fixed on the outer side of the other arc plate (9), and a moving groove (11) in sliding butt joint with the sliding blocks (10) is formed in the outer side of the butt joint ring (4);
the clamping assembly (8) comprises a fixed plate (12) and an adjusting plate (13), wherein the fixed plate (12) is fixed with the arc-shaped plate (9), a butt joint rod (14) which is spliced with the adjusting plate (13) is fixed on the fixed plate (12), an end block (15) is fixed at the top of the butt joint rod (14), and an extrusion spring (16) which pushes the adjusting plate (13) to be close to the fixed plate (12) is sleeved on the outer side of the butt joint rod (14);
the adjusting unit (6) comprises an end plate (17) fixed at the outer end of the pull rod (3), a positioning retaining plate (18) and an adjusting retaining plate (19) are fixed on the end plate (17), an adjusting screw rod (20) is rotatably arranged at the bottom of the adjusting retaining plate (19), the adjusting screw rod (20) is in threaded connection with the end plate (17) and penetrates through the end plate (17), a rotating cap is fixed at one end, far away from the adjusting retaining plate (19), of the adjusting screw rod (20), a sliding rod (21) in sliding connection with the end plate (17) is further fixed at the bottom of the adjusting retaining plate (19), and the outer sides of the positioning retaining plate (18) and the adjusting retaining plate (19) are both fixed with the bottom of the fixed plate (12);
the clamping assembly (8) further comprises a sleeve frame (24) which is sleeved on the outer sides of the fixed plate (12) and the adjusting plate (13) in a sliding mode, an adjusting column (25) is fixed in the sleeve frame (24), a plug rod (26) is inserted in the adjusting column (25) in a sliding mode, a toothed plate (27) is fixed at the outer end of the plug rod (26), a piston plate (28) is fixed at one end of the plug rod (26) located on the adjusting column (25), tooth grooves (29) matched with the toothed plate (27) are formed in the outer sides of the adjusting plate (13), and a pushing spring (30) propped against the toothed plate (27) is sleeved on the outer sides of the plug rod (26);
the anti-loosening unit (33) is used for improving the clamping tightness of a clamping assembly (8) for winding wires on a spring to be detected, the anti-loosening unit (33) comprises a straight rod (34) fixed in a mounting frame (1) and an abutting plate (35) sleeved on the outer sides of two pull rods (3) in a sliding mode, an abutting block (36) abutted against the abutting plate (35) is fixed at the outer end of each pull rod (3), a pushing spring (37) abutted against the abutting plate (35) and the abutting ring (4) is sleeved on the outer side of each pull rod, the outer end of each abutting plate (35) is sleeved on the outer side of each straight rod (34) in a sliding mode, an abutting column (38) spliced with each pull plate (2) is fixed on the outer side of each abutting column (38) in a sliding mode, and a pressurizing assembly (39) matched with each abutting column (38) is mounted at the outer end of each straight rod (34).
2. The spring tension detection device according to claim 1, wherein the surfaces of the positioning retaining plate (18) and the adjusting retaining plate (19) are provided with grooves (22), and the bottom of the fixing plate (12) is fixed with reinforcing strips (23) matched with the grooves (22).
3. The spring tension detection device according to claim 2, wherein the driving unit (7) comprises a bidirectional screw rod (31) and a driving motor (32), two ends of the bidirectional screw rod (31) are in butt joint with the mounting frame (1) through bearings, two pull plates (2) are positioned at two ends of the bidirectional screw rod (31) and in threaded butt joint with the bidirectional screw rod, the bottoms of the pull plates (2) are attached to the surface of the mounting frame (1), the driving motor (32) is mounted on the outer side of the mounting frame (1) through a motor frame, and the output end of the driving motor (32) is fixed with one end of the bidirectional screw rod (31) through a coupler.
4. A spring tension detection apparatus according to claim 3, wherein the pressurizing assembly (39) comprises an annular air bag (40) slidably sleeved on the outer side of the straight rod (34), one end of the annular air bag (40) is fixed with a propping ring (44) matched with the propping column (38), the other end of the annular air bag is fixed with a pushing plate (41), a threaded rod (42) in threaded insertion connection with the mounting frame (1) is rotatably mounted on the outer side of the pushing plate (41), a rotary cap is fixed on the outer side of the threaded rod (42), two air pipes (43) are fixedly communicated on the annular air bag (40), and the annular air bag is fixedly communicated with two adjacent adjusting columns (25) through the two air pipes (43).
5. The spring tension detecting apparatus according to claim 4, wherein a rubber pad is fixed to an adjacent surface of the fixing plate (12) and the adjusting plate (13), and the rubber pad has a semicircular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311595694.3A CN117309361B (en) | 2023-11-28 | 2023-11-28 | Spring tension detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311595694.3A CN117309361B (en) | 2023-11-28 | 2023-11-28 | Spring tension detection equipment |
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| Publication Number | Publication Date |
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| CN117309361A CN117309361A (en) | 2023-12-29 |
| CN117309361B true CN117309361B (en) | 2024-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311595694.3A Active CN117309361B (en) | 2023-11-28 | 2023-11-28 | Spring tension detection equipment |
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| CN110082051A (en) * | 2019-04-29 | 2019-08-02 | 广州鹭源电子有限公司 | A kind of spring automatic detection device |
| CN212844107U (en) * | 2020-09-24 | 2021-03-30 | 新余市伟成金属制品有限公司 | Be used for spring wire elasticity check out test set |
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| CN214952048U (en) * | 2021-03-02 | 2021-11-30 | 济南普业机电技术有限公司 | Testing machine for spring tension test |
| CN217059681U (en) * | 2021-11-26 | 2022-07-26 | 深圳市朝日弹簧有限公司 | Quality inspection equipment with locking mechanical system is used in spring production |
| CN217292000U (en) * | 2021-12-28 | 2022-08-26 | 山东***汽车零部件制造有限公司 | A auxiliary fixtures for car spring production |
| CN218218565U (en) * | 2022-07-22 | 2023-01-06 | 赵富强 | Trees strutting arrangement for forestry |
| CN116337375A (en) * | 2023-05-18 | 2023-06-27 | 芜湖品创工业设计有限公司 | Tension detection equipment for spring production |
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2023
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110082051A (en) * | 2019-04-29 | 2019-08-02 | 广州鹭源电子有限公司 | A kind of spring automatic detection device |
| CN212844107U (en) * | 2020-09-24 | 2021-03-30 | 新余市伟成金属制品有限公司 | Be used for spring wire elasticity check out test set |
| CN214952048U (en) * | 2021-03-02 | 2021-11-30 | 济南普业机电技术有限公司 | Testing machine for spring tension test |
| CN214621816U (en) * | 2021-05-09 | 2021-11-05 | 王闯 | Weighing and sampling device for environment detection |
| CN217059681U (en) * | 2021-11-26 | 2022-07-26 | 深圳市朝日弹簧有限公司 | Quality inspection equipment with locking mechanical system is used in spring production |
| CN217292000U (en) * | 2021-12-28 | 2022-08-26 | 山东***汽车零部件制造有限公司 | A auxiliary fixtures for car spring production |
| CN218218565U (en) * | 2022-07-22 | 2023-01-06 | 赵富强 | Trees strutting arrangement for forestry |
| CN116337375A (en) * | 2023-05-18 | 2023-06-27 | 芜湖品创工业设计有限公司 | Tension detection equipment for spring production |
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| Publication number | Publication date |
|---|---|
| CN117309361A (en) | 2023-12-29 |
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